1687760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 60

約数和(自身を含む): 4225548

約数和(自身を除く): 2537788

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 136, 146, 170, 272, 289, 292, 340, 365, 578, 584, 680, 730, 1156, 1168, 1241, 1360, 1445, 1460, 2312, 2482, 2890, 2920, 4624, 4964, 5780, 5840, 6205, 9928, 11560, 12410, 19856, 21097, 23120, 24820, 42194, 49640, 84388, 99280, 105485, 168776, 210970, 337552, 421940, 843880, 1687760]

約数ペア:

[(1, 1687760), (2, 843880), (4, 421940), (5, 337552), (8, 210970), (10, 168776), (16, 105485), (17, 99280), (20, 84388), (34, 49640), (40, 42194), (68, 24820), (73, 23120), (80, 21097), (85, 19856), (136, 12410), (146, 11560), (170, 9928), (272, 6205), (289, 5840), (292, 5780), (340, 4964), (365, 4624), (578, 2920), (584, 2890), (680, 2482), (730, 2312), (1156, 1460), (1168, 1445), (1241, 1360)]